Update CHANGELOG.md

redux
David Majda 11 years ago
parent d74f9df7dd
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0.8.0
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Released: December 24, 2013
### Big Changes
* Completely rewrote the code generator. Among other things, it allows
optimizing generated parsers for parsing speed or code size using the
`optimize` option of the `PEG.buildParser` method or the `--optimize`/`-o`
option on the command-line. All internal identifiers in generated code now
also have a `peg$` prefix to discourage their use and avoid conflicts.
[[#35](https://github.com/dmajda/pegjs/issues/35),
[#92](https://github.com/dmajda/pegjs/issues/92)]
* Completely redesigned error handling. Instead of returning `null` inside
actions to indicate match failure, new `expected` and `error` functions can
be called to trigger an error. Also, expectation inside the `SyntaxError`
exceptions are now structured to allow easier machine processing.
[[#198](https://github.com/dmajda/pegjs/issues/198)]
* Implemented a plugin API. The list of plugins to use can be specified using
the `plugins` option of the `PEG.buildParser` method or the `--plugin`
option on the command-line. Also implemented the `--extra-options` and
`--extra-options-file` command-line options, which are mainly useful to pass
additional options to plugins.
[[#106](https://github.com/dmajda/pegjs/issues/106)]
* Made `offset`, `line` and `column` functions, not variables. They are now
available in all parsers and return lazily-computed position data. Removed
now useless `trackLineAndColumn` option of the `PEG.buildParser` method and
the `--track-line-and-column` option on the command-line.
* Added a new `text` function. When called inside an action, it returns the
text matched by action's expression.
[[#131](https://github.com/dmajda/pegjs/issues/131)]
* Added a new `$` operator. It extracts matched strings from expressions.
* The `?` operator now returns `null` on unsuccessful match.
* Predicates now always return `undefined`.
* Replaced the `startRule` parameter of the `parse` method in generated
parsers with more generic `options` parameter. The start rule can now be
specified as the `startRule` option. The `options` parameter can be also
used to pass custom options to the parser because it is visible as the
`options` variable inside parser code.
[[#37](https://github.com/dmajda/pegjs/issues/37)]
* The list of allowed start rules of a generated parser now has to be
specified explicitly using the `allowedStartRules` option of the
`PEG.buildParser` method or the `--allowed-start-rule` option on the
command-line. This will make certain optimizations like rule inlining easier
in the future.
* Removed the `toSource` method of generated parsers and introduced a new
`output` option of the `PEG.buildParser` method. It allows callers to
specify whether they want to get back the parser object or its source code.
* The source code is now a valid npm package. This makes using development
versions easier.
[[#32](https://github.com/dmajda/pegjs/issues/32)]
* Generated parsers are now ~25% faster and ~62%/~3% smaller (when optimized
for size/speed) than those generated by 0.7.0.
* Requires Node.js 0.8.0+.
### Small Changes
* `bin/pegjs` now outputs just the parser source if the value of the
`--export-var` option is empty. This makes embedding generated parsers into
other files easier.
[[#143](https://github.com/dmajda/pegjs/issues/143)]
* Changed the value of the `name` property of `PEG.GrammarError` instances
from “PEG.GrammarError” to just “GrammarError”. This better reflects the
fact that PEG.js can get required with different variable name than `PEG`.
* Setup prototype chain for `PEG.GrammarError` correctly.
* Setup prototype chain for `SyntaxError` in generated parsers correctly.
* Fixed error messages in certain cases with trailing input
[[#119](https://github.com/dmajda/pegjs/issues/119)]
* Fixed code generated for classes starting with `\^`.
[[#125](https://github.com/dmajda/pegjs/issues/125)]
* Fixed too eager proxy rules removal.
[[#137](https://github.com/dmajda/pegjs/issues/137)]
* Added a license to all vendored libraries.
[[#207](https://github.com/dmajda/pegjs/issues/207)]
* Converted the test suite from QUnit to Jasmine, cleaning it up on the way.
* Travis CI integration.
* Various internal code improvements and fixes.
* Various generated code improvements and fixes.
* Various example grammar improvements and fixes.
* Improved `README.md`.
* Converted `CHANGELOG` to Markdown.
0.7.0
-----

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